Physics A periscope works on the principle of Reflection Total internal reflection Diffraction Refraction Reflection Total internal reflection Diffraction Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics The instrument used to measure the speed of the wind is Dosimeter Altimeter Anemometer Chronometer Dosimeter Altimeter Anemometer Chronometer ANSWER DOWNLOAD EXAMIANS APP
Physics The absolute refractive index of any medium is always: Less than one 1 More than one Less than one 1 More than one ANSWER DOWNLOAD EXAMIANS APP
Physics On a cold day when a room temperature is 15oC, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15oC, because plastics have a lower density than metals metals have higher thermal capacity than plastics plastics have a higher thermal conductivity than metals metals are good conductor of heat plastics have a lower density than metals metals have higher thermal capacity than plastics plastics have a higher thermal conductivity than metals metals are good conductor of heat ANSWER DOWNLOAD EXAMIANS APP
Physics The word ''insolation' means Matters which insulate Insoluble matters None of these Incoming solar radiation Matters which insulate Insoluble matters None of these Incoming solar radiation ANSWER DOWNLOAD EXAMIANS APP
Physics A small piece of a substance is weakly attracted by a strong magnetic field. The substance is Paramagnetic Non-magnetic Diamagnetic Ferromagnetic Paramagnetic Non-magnetic Diamagnetic Ferromagnetic ANSWER DOWNLOAD EXAMIANS APP
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